treewide: remove trailing whitespaces and add trailing newline (#841)

docs/src/configuration.md

@@ -192,7 +192,7 @@ to customize this.
 > There is a special case involving the
 > [`stylix.base16Scheme`](options/nixos.md#stylixbase16scheme)
 > option:
-> 
+>
 > If the wallpaper in a Home Manager configuration is changed, then Home Manager
 > will stop inheriting the color scheme from NixOS. This allows Home Manager
 > configurations to use the automatic palette generator without being overridden.

modules/qt/kvconfig.mustache

@@ -143,7 +143,7 @@ text.margin.left=5
 text.margin.right=5
 indicator.size=0
 
-[Dock] 
+[Dock]
 interior.element=toolbar
 frame.element=toolbar
 frame=true

modules/vscode/update.py

@@ -6,7 +6,7 @@
 #
 # New settings are null by default. VSCode can handle this gracefully, but
 # normally a value should be chosen before committing the update.
-# 
+#
 # This only updates 'colors' and not 'tokenColors' for now.
 
 import json
@@ -33,4 +33,4 @@ template['colors'] = {
 }
 
 with open(template_path, 'w') as template_file:
-    json.dump(template, template_file, indent=4)
+    json.dump(template, template_file, indent=4)